add more spec examples

spec/lib/gitlab/backup/repository_spec.rb

@@ -22,6 +22,7 @@ describe Backup::Repository, lib: true do
     $progress = @old_progress # rubocop:disable Style/GlobalVars
   end
 
+  describe '.dump' do
     describe 'repo failure' do
       before do
         allow_any_instance_of(Project).to receive(:empty_repo?).and_raise(Rugged::OdbError)
@@ -31,5 +32,39 @@ describe Backup::Repository, lib: true do
       it 'does not raise error' do
         expect { described_class.new.dump }.not_to raise_error
       end
+
+      it 'shows the appropriate error' do
+        described_class.new.dump
+
+        expect(progress).to have_received(:puts).with("Ignoring error on #{project.full_path} repository - Rugged::OdbError")
+      end
+    end
+
+    describe 'command failure' do
+      before do
+        allow_any_instance_of(Project).to receive(:empty_repo?).and_return(false)
+        allow(Gitlab::Popen).to receive(:popen).and_return(['error', 1])
+      end
+
+      it 'shows the appropriate error' do
+        described_class.new.dump
+
+        expect(progress).to have_received(:puts).with("Ignoring error on #{project.full_path} - error")
+      end
+    end
+  end
+
+  describe '.restore' do
+    describe 'command failure' do
+      before do
+        allow(Gitlab::Popen).to receive(:popen).and_return(['error', 1])
+      end
+
+      it 'shows the appropriate error' do
+        described_class.new.restore
+
+        expect(progress).to have_received(:puts).with("Ignoring error on #{project.full_path} - error")
+      end
+    end
   end
 end